统计文本文件的行数，单词书，字节数

[java]代码库

import java.io.*;

/**
 * 统计文本文件的行数，单词书，字节数
 */
class WordCount {
	public static int words = 1;
	public static int lines = 1;
	public static int chars = 0;

	public static void wc(InputStream f) throws IOException {
		int c = 0;
		boolean lastNotWhite = false;
		String whiteSpace = " \t\n\r";
		while ((c = f.read()) != -1) {
			chars++;
			if (c == '\n') {
				lines++;
			}
			if (whiteSpace.indexOf(c) != -1) {
				if (lastNotWhite) {
					words++;
				}
				lastNotWhite = false;
			} else {
				lastNotWhite = true;
			}
		}
	}

	public static void main(String args[]) {
		FileInputStream f;
		try {
			if (args.length == 0) { // We're working with stdin
				f = new FileInputStream("c:/123.txt");
				wc(f);
			} else { // We're working with a list of files
				for (int i = 0; i < args.length; i++) {
					f = new FileInputStream(args[i]);
					wc(f);
				}
			}
		} catch (IOException e) {
			return;
		}
		System.out.println(lines + "行 " + words + "个单词 " + chars + "个字节");
	}
}